"Dress casual" is increasingly a fashion minefield for men, evolving beyond the easy khakis and button down shirts. Designers are expanding the look to include denim shirts and "dressy" cargo pants. Ray Smith has details on Lunch Break. Photo: Saks Fifth Avenue.

This transcript has been automatically generated and may not be 100% accurate.

... I ... it was a tumbling down on men with hats and jackets and office ... and know what they are for ... we have Ray Smith writes about fashion mins action taken by a penny ... you're not wearing a sweater or jacket and and are you ... know ... that is the next evolution in casual wear for min walk us through some of these that these new incarnations you're basically the updates on staples like a blazer for instance of the slack and it sort of accommodation sweater ... of John the sports co investments such as alternative ... to support pro war ... or overhaul ... of sorts hundred it's basically a jacket hyper and sinking with that with Shaq at Zara jacket is the show's second message concerns ... of the comic featured artist at the same purposes of the hybrid ... sport Co for those who want students from taking a little more casual protective vest shirt a little more ... the more upscale menu them to Fenway the forces at work here drive in this trading week we seen casual sort of make its way into the workplace five days a week and not ... I'm not just on Fridays the guys that I get by with itchy nose and so forth but you walk in wine this now ... that you will be chosen spoke with told me that it's actually younger man ... um who are inspiring the trend was taken upon themselves ... when they looked into fall is in Brooklyn were sloppy when viewing far from it and so the euro which in reaction to their credit has really sort of ... taking their cues from ... everyone from the West Justin Bieber to adjust to it ... and decided to dress up a little bit ... and and even if they're not ... necessarily new for minus five job offers ... to do some of them are stories to tell me go well and so part of it is the younger generation ... influencing what's happening ... from and who ultimately won the lookout ... was the looks I love that I find this fascinating is Incorporated denim shirt and with a jacket tells about these these shirts and east of ... how their construct a little bit differently and when that look works shore um and and that's a big ... deal for J crew right now actually and insurance ... arm Cambrian alluded to in the ... onthe not have the ... dimension of distressed and by any means to make it easier under a jacket ... that he's in a productive and talked into pants well and um it's repeat if you think about it and really it sort of radical isn't into ... it in a way to mean denim has also denim jeans from bottom to from the way to work with August in touch with the isn't even on top of this was taken ... to the bench ... aam is a different story and yet you have to give it a secret because it is a bold step and a much or how many men ... will I even saw coming from the story on the website of men who would never ... say they would never do that in every way yet to think of taking adventure in store for dressing up in that way ... but if you look at it I mean it it ... you know what would happen if you use them a lot of people's eyes get use to it right and ... and touches on a slight error I've turtleneck snout I've seen you knew where these beautifully unaltered ... and they look great on it and all ties ... Colum office they're sort of a right way in a way to wear a sweater ... yes it's it's a good point and ... determined to use the JOBS aims to warn them but also sprung its wore them so this ... is a sign of and that that sort of can go a long way if you well ... and um ... into one of the this time to talk to ... um said the law has to do with the attitude that struck me going with it so ... it's it's good to mention top model line right and um ... so the dentist interest in confidence interval don't ... wanna s when slack ... slack and and Shaq at the wholeness sartorial lingo point nearby risk that ... things really that busy